diff options
Diffstat (limited to 'src/file.c')
-rw-r--r-- | src/file.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/file.c b/src/file.c new file mode 100644 index 0000000..7648340 --- /dev/null +++ b/src/file.c @@ -0,0 +1,50 @@ +/* + * blogc: A blog compiler. + * Copyright (C) 2015 Rafael G. Martins <rafael@rafaelmartins.eng.br> + * + * This program can be distributed under the terms of the BSD License. + * See the file COPYING. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif /* HAVE_CONFIG_H */ + +#include <errno.h> +#include <stdio.h> +#include <string.h> +#include "utils/utils.h" +#include "file.h" +#include "error.h" + +// this would belong to loader.c, but we need it in a separated file to be +// able to mock it when unit testing the loader functions. + + +char* +blogc_file_get_contents(const char *path, size_t *len, blogc_error_t **err) +{ + if (path == NULL || err == NULL || *err != NULL) + return NULL; + + *len = 0; + FILE *fp = fopen(path, "r"); + + if (fp == NULL) { + int tmp_errno = errno; + *err = blogc_error_new_printf(BLOGC_ERROR_LOADER, + "Failed to open file (%s): %s", path, strerror(tmp_errno)); + return NULL; + } + + b_string_t *str = b_string_new(); + char buffer[BLOGC_FILE_CHUNK_SIZE]; + + while (!feof(fp)) { + size_t read_len = fread(buffer, sizeof(char), BLOGC_FILE_CHUNK_SIZE, fp); + *len += read_len; + b_string_append_len(str, buffer, read_len); + } + fclose(fp); + return b_string_free(str, false); +} |